[中] 视频提取的临时目录崩溃后残留，缓存清理不会处理
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Assessment
- Difficulty
- 3/5
- Estimated time
- Half a day
- Newbie friendliness
- 68/100
Research direction
Start by reading Sources/BirdLockCore/IO/CachePolicy.swift:42-52, where groups builds the regexes that match 32- and 24-hex cache directory names, and check how totalSize enumerates entries. Then read Sources/BirdLockCore/IO/VideoImporter.swift:90 and :144 to see how .extract-<UUID> and .replaced-<UUID> directories are created and where defer cleans them up. Done means orphaned .extract-*/.replaced-* directories older than a chosen age are removed on the next import (or included in the cleanable groups) and no longer counted in totalSize; reproduce by force-quitting during an import.
Written by the indexing model from the issue text.
Description
位置：Sources/BirdLockCore/IO/VideoImporter.swift:90、:144；Sources/BirdLockCore/IO/CachePolicy.swift:42-52
现象：提取时创建 base/.extract-<UUID>，替换旧缓存时创建 .replaced-<UUID>。正常异常路径靠 defer 删除，但崩溃或强退会留下目录；CachePolicy.groups 只匹配 ^[a-f0-9]{32}$ 与 ^[a-f0-9]{24}$，不会清理这些目录，而 totalSize 会把它们计入缓存占用。
复现：导入视频时强制退出应用，再查看缓存的占用与清理结果。
建议：VideoImporter.extract 开始时清理超过一定时间的 .extract-*/.replaced-*，或把这类目录纳入 CachePolicy 的可清理组。
来源：2026-11-15 全仓只读审计，PR #7 未包含此项。 未在实机复现（静态审计）。
- Dominant language
- Swift
- Stars
- 2
- Forks
- 2
- Avg merge
- 1h 11m
- Merged PRs (30d)
- 2
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